Tag Archives: Hackaday

Radio Waves: Michael Pack Resigns, FCC Enforcement Advisory, Upcoming ISS SSTV, and Prowling TV Detector Vans

Radio Waves: Stories Making Waves in the World of Radio

Because I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing Post readers. To that end: Welcome to the SWLing Post’s Radio Waves, a collection of links to interesting stories making waves in the world of radio. Enjoy!

Many thanks to SWLing Post contributors Eric McFadden, Ronald Kenyon, for the following tips:

Defined By Scandal At Voice of America, CEO Resigns At Biden’s Request (NPR)

Michael Pack resigned Wednesday as the CEO of the federal agency over the Voice of America and other federally funded international broadcasters after a turbulent seven-month tenure. He leaves the U.S. Agency for Global Media with a Trumpian legacy of ideological strife, lawsuits and scandal, his departure effective just two hours after the swearing-in of President Biden, who requested him to leave.

Biden has named senior VOA news executive Kelu Chao as acting CEO.

Pack came to lead the U.S. Agency for Global Media with the support of former President Donald Trump; his appointment was delayed more than two years in the U.S. Senate by lawmakers who feared he was too ideological and also who questioned his finances. The soft-spoken conservative documentary maker proved to be an ideological warrior in the mold of his patron, taking to one conservative news outlet after another to denounce his own staff, all in the name of fairness.

In his resignation letter, Pack said he was “solely focused upon reorienting the agency toward its missions.” And he attacked the request for his resignation as “a partisan act,” saying the leadership of the agency and its networks “is meant to be non-partisan, untethered to alternations in the political regime.”

He added, “I had no political agenda coming into USAGM, and I still do not have one.”

NPR conducted scores of interviews over the controversies Pack’s actions engendered. And few at the agency or its broadcasters agreed with Pack’s characterization of his mission or performance, instead characterizing him as seeking political control over their coverage. Just last week, a VOA reporter’s insistent questions to then-Secretary of State Mike Pompeo and VOA Director Robert R. Reilly over the siege on Congress after a public event led to her demotion and an investigation.

Pack routinely accused journalists of anti-Trump bias, sought to fire top executives as part of a “deep state,” ominously accused the networks of being receptive to foreign spies and denied requests for visa extensions from his own staffers who are foreign nationals.[…]

FCC Issues Enforcement Advisory: Radio Users Reminded Not to Use Radios in Crimes (ARRL News)

The FCC has released an Enforcement Advisory for licensees and operators across radio services.

[Complete text of FCC Enforcement Advisory follows.]

FCC ENFORCEMENT ADVISORY

DA 21-73

Released: January 17, 2021

WARNING: AMATEUR AND PERSONAL RADIO SERVICES LICENSEES AND OPERATORS MAY NOT USE RADIO EQUIPMENT TO COMMIT OR FACILITATE CRIMINAL ACTS

The Enforcement Bureau (Bureau) of the Federal Communications Commission issues this Enforcement Advisory to remind licensees in the Amateur Radio Service, as well as licensees and operators in the Personal Radio Services, that the Commission prohibits the use of radios in those services to commit or facilitate criminal acts.

The Bureau has become aware of discussions on social media platforms suggesting that certain radio services regulated by the Commission may be an alternative to social media platforms for groups to communicate and coordinate future activities. The Bureau recognizes that these services can be used for a wide range of permitted purposes, including speech that is protected under the First Amendment of the U.S. Constitution. Amateur and Personal Radio Services, however, may not be used to commit or facilitate crimes.

Specifically, the Bureau reminds amateur licensees that they are prohibited from transmitting “communications intended to facilitate a criminal act” or “messages encoded for the purpose of obscuring their meaning.” 47 CFR § 97.113(a)(4).

Likewise, individuals operating radios in the Personal Radio Services, a category that includes Citizens Band radios, Family Radio Service walkie-talkies, and General Mobile Radio Service, are prohibited from using those radios “in connection with any activity which is against Federal, State or local law.” 47 CFR § 95.333(a).

Individuals using radios in the Amateur or Personal Radio Services in this manner may be subject to severe penalties, including significant fines, seizure of the offending equipment, and, in some cases, criminal prosecution. 47 U.S.C. §§ 401, 501, 503, 510.

Media inquiries should be directed to 202-418-0500 or MediaRelations@fcc.gov.

To file a complaint with the FCC, visit https://consumercomplaints.fcc.gov or call 1-888-CALL-FCC. To report a crime, contact your local law enforcement office or the FBI.

To request materials in accessible formats for people with disabilities (Braille, large print, electronic files, audio format), send an e-mail to fcc504@fcc.gov or call the Consumer & Governmental Affairs Bureau at (202) 418-0530 (voice), (202) 418-0432 (TTY).

Issued by: Chief, Enforcement Bureau[…]

ISS SSTV 145.800 FM Jan 28-29 (Southgate ARC)

Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120

The transmissions are part of the Moscow Aviation Institute SSTV experiment (MAI-75).

Jan 28 – Starts after 12:10 GMT and ends at 17:15 GMT*

Jan 29 – Start about 13:10 GMT and ends at 18:05 GMT*

*Dates and times subject to change.

ARISS SSTV Blog
https://ariss-sstv.blogspot.com/

Useful SSTV info and links
https://amsat-uk.org/beginners/iss-sstv/

TV Detector Vans Once Prowled The Streets Of England (Hackaday)

The United Kingdom is somewhat unique in the world for requiring those households which view broadcast television to purchase a licence for the privilege.

Initially coming into being with the Wireless Telegraphy Act in 1923, the licence was required for anyone receiving broadcast radio, before being expanded to cover television in 1946. The funds generated from this endeavour are used as the primary funding for the British Broadcasting Corporation.

A typical TV licence invoice. Separate licences for black and white and color sets still exist, with 6000 B&W licences issued in 2019.

Of course, it’s all well and good to require a licence, but without some manner of enforcement, the measure doesn’t have any teeth. Among other measures, the BBC have gone as far as employing special vans to hunt down illegally operating televisions and protect its precious income.

THE VAN IS COMING FOR YOU

To ensure a regular income, the BBC runs enforcement operations under the TV Licencing trade name, the entity which is responsible for administering the system. Records are kept of licences and their expiry dates, and investigations are made into households suspected of owning a television who have not paid the requisite fees. To encourage compliance, TV Licencing regularly sends sternly worded letters to those who have let their licence lapse or have not purchased one. In the event this fails, they may arrange a visit from enforcement officers. These officers aren’t empowered to forcibly enter homes, so in the event a homeowner declines to cooperate with an investigation, TV Licencing will apply for a search warrant. This may be on the basis of evidence such as a satellite dish or antenna spotted on the roof of a dwelling, or a remote spied on a couch cushion through a window.[…]

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Radio Waves: Ajit Pai to Resign, Hams Need to Embrace Hacker Community, Coast Guard Might Abandon HF Voice Watchkeeping, and FCC Action Against Unauthorized Transceivers

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Radio Waves: Stories Making Waves in the World of Radio

FCC Chairman Ajit Pai to leave agency on Inauguration Day (PBS News Hour)

Federal Communications Commission Chairman Ajit Pai, a Republican, says he is leaving the telecommunications regulator on Inauguration Day.

President-elect Joe Biden will choose a new Democratic head for the agency. A new administration typically picks a new chairman.

Pai has presided over a contentious FCC over the last four years. He undid net neutrality rules that barred internet service providers like Comcast and AT&T from favoring some types of online traffic over others in 2017 and championed other deregulatory efforts. He has also worked to free up spectrum for cellphone companies so they can roll out 5G, the next-generation wireless standard that promises faster speeds, and cracked down on Chinese telecom companies as national security threats.

The incoming FCC is likely to try to reinstate net neutrality rules and focus on closing the “digital divide,” getting internet service to Americans who don’t have it because it’s not available or they can’t afford it.[…]

Ham Radio Needs To Embrace The Hacker Community Now More Than Ever (Hackaday)

As many a radio amateur will tell you, ham radio is a hobby with as many facets as there are radio amateurs. It should be an exciting and dynamic place to be, but as those who venture forth into it sometimes sadly find out, it can be anything but. Tightly-knit communities whose interests lie in using $1,000 stations to chase DX (long-distance contacts), an advancing age profile, and a curious fascination of many amateurs with disaster communications. It’s something [Robert V. Bolton, KJ7NZL] has sounded off about in an open letter to the amateur radio community entitled “Ham Radio Needs To Embrace The Hacker Community Now More Than Ever“.

In it he laments that the influx in particular of those for whom disaster preparedness is the reason for getting a licence is to blame for amateur radio losing its spark, and he proposes that the hobby should respond by broadening its appeal in the direction of the hacker community. The emphasis should move from emergency communications, he says, and instead topics such as software defined radio and digital modes should be brought to the fore. Finally he talks about setting up hacker specific amateur radio discussion channels, to provide a space in which the talk is tailored to our community.[…]

Coast Guard Proposes to Discontinue HF Voice Watchkeeping (ARRL News)

The US Coast Guard has invited comments by January 21, 2021, on a proposal to discontinue HF voice watchkeeping. The proposal [PDF] appeared on November 20 in the Federal Register. The USCG proposes to cease monitoring 4125, 6215, 8291, and 12,290 kHz, in the contiguous US and Hawaii, due to a lack of activity.

“We believe this change would have a low impact on the maritime public, as commercial satellite radios and Digital Selective Calling (DSC) marine-SSB HF radios have become more prevalent onboard vessels,” the Coast Guard said. “However, we would like your comments on how you would be affected if we terminated monitoring HF voice-only distress frequencies within the contiguous US and Hawaii, particularly if you use HF, but do not currently have a commercial satellite radio or an HF DSC-capable radio aboard your vessel.”[…]

FCC takes action against marketing of unauthorized transceivers (Southgate ARC)

On November 24 FCC Enforcement Bureau (EB) issued a citation and order concerning the illegal marketing of unauthorized radio frequency devices

The citation says:

This CITATION AND ORDER (Citation), notifies Rugged Race Products, Inc. d/b/a
Rugged Radios (Rugged Radios or Company) that it unlawfully marketed six models of radio frequency devices that (a) operated outside the scope of their respective equipment authorization, or without any equipment authorization; (b) permitted any operator to program and transmit on new frequencies using the device’s external operation controls; and (c) lacked the appropriate labeling. Specifically, Rugged Radios marketed models RH5R-V2, RM25R, RM25R-WP, RM50R, RM60-V, and RM100 in violation of section 302(b) of the Communications Act, as amended (Act), and sections 2.803(b), 2.925(a)(1), 80.203(a), 90.203(a), 90.203(e), 95.361(a), and 95.391 of the Commission’s rules.

Read the Citation and Order at
https://docs.fcc.gov/public/attachments/DA-20-1395A1.pdf

Source FCC Enforcement Bureau
https://www.fcc.gov/enforcement

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Radio Waves: Signals from Mars, Two More Hamstronauts, M17 Digital Voice Mode, and Climbing Trees for a Better Signal

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Radio Waves: Stories Making Waves in the World of Radio

Many thanks to SWLing Post contributors Troy Riedel, LG, Ron and the ARRL News for the following tips:

Radio Signals from Mars (Spaceweather.com)

How close is Mars? Close enough for radio reception. On Oct. 4th, amateur radio operator Scott Tilley picked up a carrier wave from NASA’s Mars Reconnaissance Orbiter (MRO) circling the Red Planet. Turn up the volume and listen to the Martian Doppler shift:

Tilley is a leader in the field of satellite radio. Dead satellites, zombie satellites, spy satellites: He routinely finds and tracks them. “But this was a first for me,” he says. “A satellite around Mars!”

It’s not easy picking up radio signals from distant planets. NASA does it using the giant antennas of the Deep Space Network. Tilley uses a modest 60 cm dish in his backyard in Roberts Creek, BC. This week’s close encounter with Mars set the stage for his detection.

“MRO’s signal is weak, but it is one of the louder signals in Mars orbit,” says Tilley. “The spacecraft has a large dish antenna it uses as a relay for other Mars missions. With the proximity of Mars these days, it was the perfect time to try.”[…]

Two More Astronauts Earn Amateur Radio Licenses (ARRL News)

Although the lockdown of Johnson Space Center (JSC) postponed amateur radio training and licensing over the past 7 months, NASA ISS Ham Project Coordinator Kenneth Ransom, N5VHO, was able to work with all of the new astronaut-class graduates, as well as offer some refresher courses with already-licensed astronauts. Licensed astronauts on the International Space Station (ISS) may operate the on-station ham radio equipment without restrictions.

Astronauts often participate in Amateur Radio on the International Space Station (ARISS) contacts with schools and groups on Earth.

NASA Astronaut Kayla Barron, who completed her introductory course in June and received basic ham radio operations training in late September, recently tested and received the call sign KI5LAL.

European Space Agency astronaut Matthias Maurer passed his amateur radio exam on July 30, and he got his basic ham operations training in July. He now is KI5KFH.

Astronauts Shane Kimbrough, KE5HOD, and Shannon Walker, KD5DXB, completed the refresher course earlier this year. Two other new astronauts are in the queue to take the Technician license exam. — Thanks to Rosalie White, K1STO[…]

M17 Aims to replace proprietary ham radio protocols (Hackaday.io)

While M17 might sound like a new kind of automatic rifle (as actually, it is), we were referring to an open source project to create a ham radio transceiver. Instead of paraphrasing the project’s goals, we’ll simply quote them:

The goal here should be to kick the proprietary protocols off the airwaves, replace DMR, Fusion, D-Star, etc. To do that, it’s not just good enough to be open, it has to be legitimately competitive.

Like some other commercial protocols, M17 uses 4FSK along with error correction. The protocol allows for encryption, streaming, and the encoding of callsigns in messages. There are also provisions for framing IP packets to carry data. The protocol can handle voice and data in a point-to-point or broadcast topology.

On the hardware side, the TR-9 is a UHF handheld that can do FM voice or M17 with up to 3 watts out. The RF portion uses an ADF7021 chip which is specifically made to do 4FSK. There’s also an Arm CPU to handle the digital work.[…]

Armed with a radio, Cambodian girl climbs tree to access education (SE Asia Globe)

When Cambodian schools closed due to Covid-19, poor internet access and a lack of minority language materials made distance learning in rural communities near impossible. But armed with a simple radio, children are rising above these obstacles to their education

Jumping down from the tree near her home, Srey Ka assumes her spot in the shade underneath as she adjusts the dials on her radio. Her pet piglet remains asleep at her feet, twitching his nose as he dreams, his belly full of leftover rice. Around her, cows meander by, their ringing bells competing with the sound of static from her radio.

While her school is still closed due to Covid-19 regulations, she still wears her Grade 3 uniform as she attempts to locate a signal. She’s listening out for distance learning programmes – six hours of educational radio broadcasts per week for children in Grades 1-3, some of which are in her ethnic minority language.

It was August and Srey Ka had just received a radio from international nonprofit Aide et Action, two weeks before her school reopened as pandemic measures eased in Cambodia in early September.

From the Phnong ethnic minority group, Srey Ka struggled to find learning resources in her language during school closures. Eager to cram as much as she can before returning to school, Srey Ka tied the antenna of her radio to the highest point of a tree to get the best reception. Even a clear radio signal is hard to come by in the small fishing village of Pun Thachea, located along a remote stretch of the Mekong river in Cambodia’s northeast Kratié province.[…]

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Radio Waves: FCC Fines Drone Retailer, High School WSPR Buoy, Flashing Radio Firmware, and “Radio Recliner” Powered by Senior Resident DJs

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Radio Waves: Stories Making Waves in the World of Radio

Many thanks to SWLing Post contributors Ron, Pete Eaton, Paul Evans, and Jennifer Gulley for the following tips:

FCC Fines HobbyKing Nearly $3 Million for Marketing Unauthorized Drone Transmitters (ARRL News)

The FCC has issued a Forfeiture Order (FO) calling for HobbyKing to pay a fine of $2,861,128 for marketing drone transmitters that do not comply with FCC rules. An FCC Enforcement Bureau investigation stemmed in part from a 2017 ARRL complaint that HobbyKing was selling drone transmitters that operated on amateur and non-amateur frequencies, in some instances marketing them as amateur radio equipment. The fine affirms the monetary penalty sought in a June 2018 FCC Notice of Apparent Liability (NAL). The FCC said its investigation found that dozens of devices marketed by the company transmitted in unauthorized radio frequency bands and, in some cases, operated at excessive power levels. “Such unlawful transmissions could interfere with key government and public safety services, like aviation systems,” the FCC said.“We have fully considered HobbyKing’s response to the NAL, which does not contest any facts and includes only a variety of legal arguments, none of which we find persuasive,” the FCC said in the FO. “We therefore adopt the $2,861,128 forfeiture penalty proposed in the NAL.”[…]

High School Marine Buoy Transmitter Now Active on 20-Meter WSPR (ARRL News)

Phil Karn, KA9Q; Randy Standke, KQ6RS, and members of the Mount Carmel High School Amateur Radio Club (MCHSARC) in San Diego have constructed and deployed an amateur radio marine buoy in the Pacific. The buoy, which transmits WSPR on 14.0956 MHz USB, has already been heard around the continental US, Brazil, Hawaii, Japan, Costa Rica, Australia, and South Africa.

“Over the past year, Randy and I have mentored the MCHSARC in designing and constructing a simple marine buoy that was deployed from the RV Sally Ride [on July 16], about 700 kilometers off the coast of southern California,” Karn said in a post on the AMSAT Bulletin Board. “It is up and transmitting WSPR on 20 meters using the call sign KQ6RS, and is being received all over the US and into Canada and Brazil.” Karn is blogging about the project with updates.

The electronics are the 20-meter WSPR version of the WB8ELK “pico tracker” that has been flown on long-duration balloons. “We removed the solar panels and substituted 21 ordinary alkaline D cells, wired to supply 4.5 V,” Karn explained. “We estimate battery lifetime will be 6 months.”

[…]The first reception report was on July 16 at 12:52:30 UTC from grid square CL89eu, although the current carried the buoy east into CL89fu at 20:32:30 UTC. The buoy (KQ6RS-1) can be tracked on the APRS and WSPRnet sites.[…]

Stop Bad Laws Before They Start (Hackaday)

With everything else going on this summer, you might be forgiven for not keeping abreast of new proposed regulatory frameworks, but if you’re interested in software-defined radio (SDR) or even reflashing your WiFi router, you should. Right now, there’s a proposal to essentially prevent you from flashing your own firmware/software to any product with a radio in it before the European Commission. This obviously matters to Europeans, but because manufacturers often build hardware to the strictest global requirements, it may impact everyone. What counts as radio equipment? Everything from WiFi routers to wearables, SDR dongles to shortwave radios.

The idea is to prevent rogue reconfigurable radios from talking over each other, and prevent consumers from bricking their routers and radios. Before SDR was the norm, and firmware was king, it was easy for regulators to test some hardware and make sure that it’s compliant, but now that anyone can re-flash firmware, how can they be sure that a radio is conformant? Prevent the user from running their own firmware, naturally. It’s pretty hard for Hackaday to get behind that approach.[…]

New Internet Radio Station Helps Seniors Share Their Favorite Music (NPR)

A new internet radio station called Radio Recliner has started during the coronavirus pandemic. It gives residents in senior living facilities a chance to share some of their favorite music.

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Click here to check out the Radio Recliner website.

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Radio Globe: A handy way to explore the world of Internet radio

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Many thanks to SWLing Post contributor, Dennis Dura, who shares a link to this fascinating project on the excellent Hackday site:

[…]RadioGlobe lets the user tune in over 2000 stations from around the world by spinning a real globe. It works by using two absolute rotary encoders that each have a whopping 1024 positions available. One encoder is stuck into the South Pole, and it reads the lines of longitude as the user spins the globe.

The other encoder is on the left side of the globe, and reads whatever latitude is focused in the reticle. Both encoder are connected to a Raspberry Pi 4, though if you want to replicate this open-source project using the incredibly detailed instructions, he says a Raspberry Pi 3 B+ will work, too.[…]

Just check out this video of Radio Globe in action!

I love it. It’s like a physical version of the amazing Radio Garden website and app.

Hackaday notes that if you want detailed information about this project, the designer made a series of vlog posts about the build. Click here to check it out on his website. Click here to read through build details on Instructables.

Thank you for the tip, Dennis!

Radio Waves: FEBC at 75 Years, Radio Drama “With a Twist”, Remembering Rufus Turner, and Free Foundation Online Training course

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Radio Waves: Stories Making Waves in the World of Radio

Many thanks to SWLing Post contributors Richard, Michael Bird, for the following tips:

Far East Broadcasting Celebrates 75 Years (Missions Box)

LA MIRADA, CA – Two students attending Southern California Bible College were given the vision to establish the Far East Broadcasting Company, which they incorporated in 1945.

Their initial broadcasting location was in Shanghai in the midst of the Chinese people whom the Lord had laid upon their hearts. The effort was short-lived, however, when China closed its doors to all missionary work in 1948.

Some people would have considered that to be the death of the vision. Not Bob Bowman, John Broger, or their supportive pastor, William Roberts. The vision remained the same, FEBC would have to find a different location.

On June 4, 1948, FEBC regenerated from station KZAS in Manila. By 1949, FEBC was equipped to air broadcasts from the Philippines, across the South China Sea, and into parts of China.

Now celebrating its 72nd year of continuous operations, Far East Broadcasting Company has expanded multiplied times and broadened its ministry to include AM, FM, shortwave, satellite, internet, and other digital technologies.[…]

Theaters Return To An Old Art Form — The Radio Drama — With A Twist (NPR)

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As theaters across the world have closed because of the coronavirus pandemic, they’ve scrambled to find ways get work to the public.

Some have made archival video of productions available, some have created Zoom plays and some have returned to an old art form — radio drama — but with a digital twist.

In the 1930s, with many people out of work, families huddled around radio receivers to listen to audio plays, like Orson Welles’ famous broadcast, War of the Worlds.

“Orson Welles began his career as a theater actor and director,” says Adam Greenfield, artistic director for New York’s Playwrights Horizons. “And I think he’s able to really utilize the full potential of what audio can do.”

Taking cues from Welles’ success, Greenfield commissioned a new series of audio plays for podcast called Soundstage. He planned to release them this summer, when the theater was dark, but because of the pandemic he hustled them online.

The first podcast released was Prime: A Practical Breviary by songwriter and performer Heather Christian. It’s based on the 6:00 a.m. rite, or breviary, of solo contemplation for nuns and monks.[…]

Do you know Rufus Turner (Hackaday)

It is hard to be remembered in the electronics business. Edison gets a lot of credit, as does Westinghouse and Tesla. In the radio era, many people know Marconi and de Forest (although fewer remember them every year), but less know about Armstrong or Maxwell. In the solid-state age, we tend to remember people like Shockley (even though there were others) and maybe Esaki.

If you knew most or all of those names without looking them up, you are up on your electronics history. But do you know the name Rufus Turner?

W3LF

Turner was born on Christmas Day, 1907 in Houston, Texas. At the age of 15, he became fascinated by crystal diodes and published his first article about radio when he was 17. Rufus Turner was–among other things–the first black licensed radio operator (W3LF). He was building and operating radios in Washington D.C., where he was attending Armstrong Tech.

Turner became a licensed professional engineer in California and Massachusetts. You may have even used something that Turner worked on. In the 1940’s, working with Sylvania, he helped to develop the 1N34A germanium diode (you can still buy these if you look around for them).[…]

Register now for Free Foundation Online Training course (Southgate ARC)

The next free amateur radio Foundation Online training course run by volunteers from Essex Ham starts on Sunday, June 21

The Coronavirus outbreak and the RSGB’s introduction of online exams that can be taken at home has led to a surge in demand for free online amateur radio training courses such as that run by Essex Ham.

To cope with the high-demand from people wanting to get their amateur radio licence, the Essex Ham Team have been running an additional online training course each month. The next course starts on June 21.

You can find out more about online training and register to join a course at
https://www.essexham.co.uk/train/foundation-online/

Essex Ham
https://www.essexham.co.uk/
https://twitter.com/EssexHam

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Radio Waves: ABC Wage Freeze, A Titanic Radio, FCC “Tweaks” LPFM Rules, and Digitizing a DX-160 Display

Radio Waves: Stories Making Waves in the World of Radio

Many thanks to SWLing Post contributors Michael Bird, Dave Zantow, David Korchin, and Alokesh Gupta for the following tips:

ABC must freeze wages, government warns (The Guardian)

The Morrison government has put the national broadcaster on notice that it expects the ABC to embark on a six-month wage freeze to bring it in line with other taxpayer-funded agencies during the Covid-19 crisis.

The warning follows the government’s decision in early April to defer general wage increases for commonwealth public servants for six months. The public service commissioner followed up that directive by writing to all non-public service agencies – including the ABC – informing them the government expected them to adopt the same practice.

With no clear response from the ABC to the 9 April missive, Guardian Australia understands the communications minister Paul Fletcher wrote to the national broadcaster this week flagging his expectation that the organisation would defer a 2% increase for all employees scheduled to take effect in October under the ABC’s enterprise agreement.[…]

Radio used by the Titanic to call for help can be salvaged, judge rules (CNN)

A federal judge has ruled that RMS Titanic Inc. can salvage the radio used to call for help by the fated ocean liner after it struck an iceberg in 1912.

To get to the radio, divers would need to remove a part of the ship’s deckhand to reach the room known as the Marconi Suite, which houses the device.

The ruling modified an order issued on July 28, 2000, that said that RMS Titanic Inc. could not cut into the wreckage or detach any part of it.

Virginia’s eastern district court amended that order “for a unique opportunity to recover an artifact that will contribute to the legacy left by the indelible loss of the Titanic, those who survived and those who gave their lives in the sinking,” Judge Rebecca Beach Smith wrote.

Experts in the case testified to the “significant deterioration” in areas above and around the Marconi room, according to the document, and photos showed the “increasing breakdown” in the deck above the suite.

The suite, made of steel, consisted of three areas: sleeping accommodations, an operator’s room and the silent room that housed the radio. Each area was separated by wood walls that officials believe have dissolved, according to court documents.

The Marconi device and the artifacts associated with it face “significant threat of permanent loss,” the judge said in her approval of the expedition.[…]

FCC Tweaks LPFM Technical Rules (Radio World)

The FCC in April modified the technical rules covering low-power FM stations. It expanded the permissible use of directional antennas; permitted waivers of protections of television Channel 6 by a specific group of reserved channel stations; expanded the definition of minor change applications for LPFM stations; and allowed LPFM stations to own boosters. Read more about the changes here.

Michelle Bradley, founder of REC Networks, is an engineer and longtime LPFM advocate.

Radio World: What’s your overall assessment of the outcome and the scope of its impact in the LPFM community?

Michelle Bradley: While the FCC did not address three major issues that are impacting LPFM stations right now —the ability to address building penetration issues, the ability to reach “local” listeners in rural areas and the disparity in how LPFM stations protect FM translators vs. how translators protect LPFMs — the changes will benefit current LPFM stations by giving them more flexibility in moving locations, reduce the need for waivers and improve LPFM service in the southern border region. It will also open some additional opportunities for new LPFM stations in the next filing window.[…]

RadioShack Shortwave Goes Digital (Hackaday)

If you spent the 1970s obsessively browsing through the Radio Shack catalog, you probably remember the DX-160 shortwave receiver. You might have even had one. The radio looked suspiciously like the less expensive Eico of the same era, but it had that amazing-looking bandspread dial, instead of the Eico’s uncalibrated single turn knob number 1 to 10. Finding an exact frequency was an artful process of using both knobs, but [Frank] decided to refit his with a digital frequency display.

Even if you don’t have a DX-160, the techniques [Frank] uses are pretty applicable to old receivers like this. In this case, the radio is a single conversion superhet with a variable frequency oscillator (VFO), so you need only read that frequency and then add or subtract the IF before display. If you can find a place to tap the VFO without perturbing it too much, you should be able to pull the same stunt.

In this receiver’s heyday, this would have been a formidable project. Today, a cheap digital display will do fine.[…]

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